Anemoi Marine Technologies has been awarded design assessment certificates from classification society Bureau Veritas covering several versions of its Anemoi Rotor Sail wind-assisted propulsion technology, further extending the company's portfolio of independent industry validations.

The latest Bureau Veritas approvals cover Anemoi's fixed and rail-deployed 3.5 m x 24.5 m Rotor Sails, including EX-rated versions and shorter variants designed for ships with air draught restrictions. The company said applications are also being progressed for additional approvals covering fixed and folding 5 m x 35 m Rotor Sails.

With the new certificates in place, Anemoi says its entire Rotor Sail portfolio is now covered by approvals from Bureau Veritas, Lloyd’s Register, DNV and ClassNK. According to Anemoi, these independent validations are intended to provide shipowners and operators with greater confidence in the technology while helping to reduce project risk and simplify deployment across both newbuild and retrofit applications.

Approvals from marine classification societies confirm that a technology can be safely manufactured, installed and operated in accordance with recognised industry standards, which can significantly reduce the assurance and testing requirements associated with individual projects.

Beyond certification, Anemoi said its Rotor Sails are already operating on vessels classed by multiple classification societies across a range of vessel types and operating conditions.

Clare Urmston, CEO of Anemoi Marine Technologies, stated: "These latest approvals highlight how Anemoi is advancing in both technical maturity and scale of deployment, while continuing to focus on easing implementation for shipowners. Verification from Bureau Veritas and several other class societies is a crucial pillar for building confidence in Anemoi's solutions, further driving the uptake of wind-assisted propulsion across the global market. These achievements are also a reflection of the hard work of our engineering team, who have successfully delivered the technical requirements needed to secure approvals across multiple leading class societies in a short timeframe."

Anemoi, which has been developing rotor sail technology for over 15 years, says its systems are designed to reduce vessel fuel consumption and emissions, including CO₂, SOₓ and NOₓ, and support compliance with regulations including EEDI, EEXI, CII, EU ETS and FuelEU Maritime.